United States, Michigan, Oakland, Chamberlain Lakes Fen
42.78688 -83.20052
254 meters (833ft)
Heart Lake - Prairie fen surrounding lake. Appears to be heavily encroached by invasives (Phalaris arundinacea, Typha angustifolia, Phragmites australis) surrounded by wooded upland. Heron rookery on southwest side around to the north side. Most of rookery old, but a few nests remain. Shoe Lake - Lakeside fen surrounded by woodland. Similar to Heart Lake. No management apparent. On western side of fen, in old heron rookery, about north-south center and 175m west. On south bank of stream standing water in quadrat. Dominated by Lythrum salicaria, Sparganium, Alisma, Poaceae, and Betula pumila.
Population - groundcover in wet area, no flowers but fruit at leaf axils, 1 per branch bud.